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swc_ecma_loader

v19.0.0 Stable

General ecmascript loader used for transforms

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 30d ago)
  • โœ“Stable API (19.x for 5+ years)
  • โœ“Massive adoption (8.4K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
4.4M
Dependents
8.4K
Releases
217
Size
18KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

372.6K downloads in the last 30 days (12.4K/day), up 56% from the previous period.

๐Ÿ”—
Widely adopted

8.4K crates depend on swc_ecma_loader. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 217 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 18KB, swc_ecma_loader is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include swc_core, deno_ast, swc, swc_bundler, swc_ecma_transforms_module. When high-quality crates choose swc_ecma_loader, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
8K/day avg+129%
05K10K15K20K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.45.28
54%
v17.0.0
16%
v14.0.0
12%
v0.49.1
9%
v0.45.10
9%

Release Timeline

217 releasessince 2021
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2021
43
2022
62
2023
67
2024
31
2025
13
2026
1
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Feature Flags

tscnodecache

README

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Maintainers

Dependencies
15
direct dependencies
Dependents
8.4K
crates depend on swc_ecma_loader